Frequency conversion processes, such as second-and third-harmonic generation, are
commonly realized in nonlinear optics, offering opportunities for applications in photonics …

Interaction of light pulses of various durations and intensities with nanoscale photonic
structures plays an important role in many applications of nanophotonics for high‐density …

Strong nonlinear light–matter interaction is highly sought-after for a variety of applications
including lasing and all-optical light modulation. Recently, resonant plasmonic structures …

The interaction of light and matter in metallic nanosystems is mediated by the collective
oscillation of surface electrons, called plasmons. After excitation, plasmons are absorbed by …

We introduce a new mechanism to realize negative refraction and planar focusing using a
pair of parity-time symmetric metasurfaces. In contrast to existing solutions that achieve …

The field of optical nanoantennas, a rapidly developing area of optics, is reviewed. The
basic concept of an optical antenna is formulated and major characteristics relevant to this …

Nonlinear metasurfaces incorporate many of the functionalities of their linear counterparts
such as wavefront shaping, but simultaneously they perform nonlinear optical …

This consistent and systematic review of recent advances in optical antenna theory and
practice brings together leading experts in the fields of electrical engineering, nano-optics …

Advances in material synthesis and in metamaterial technology offer new venues to tailor
the electromagnetic properties of devices, which may go beyond conventional limits in a …

Surface plasmons excited by light in metal structures provide a means for manipulating
optical energy at the nanoscale. Plasmons are associated with the collective oscillations of …